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Set analyzer to regex query string search #3967

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merged 11 commits into from
Aug 15, 2022
+32 −7
Merged

Set analyzer to regex query string search #3967

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d2e6e08
set analyzer to regex query string search
yyyogev Jul 21, 2022
036029a
pr changes
yyyogev Jul 24, 2022
64e6098
remove comments
yyyogev Jul 24, 2022
f5351fa
Merge branch 'main' of github.com:/opensearch-project/OpenSearch into…
yyyogev Jul 24, 2022
04fb97f
small fix
yyyogev Jul 24, 2022
b3a4cec
lint
yyyogev Jul 24, 2022
105f68d
small change
yyyogev Jul 25, 2022
f28e335
undo change in wildcard queries to preserve pipeline
yyyogev Jul 26, 2022
930cbd8
Merge branch 'main' of github.com:/opensearch-project/OpenSearch into…
yyyogev Jul 27, 2022
c2ed7a2
Merge branch 'main' of github.com:/opensearch-project/OpenSearch into…
yyyogev Jul 31, 2022
5d40287
spotless
yyyogev Jul 31, 2022
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22 changes: 22 additions & 0 deletions rest-api-spec/src/main/resources/rest-api-spec/test/search/190_index_prefix_search.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,12 @@ setup:
id: 1
body: { text: some short words with a stupendously long one }

- do:
index:
index: test
id: 2
body: { text: sentence with UPPERCASE WORDS }

- do:
indices.refresh:
index: [test]
Expand Down Expand Up @@ -76,6 +82,22 @@ setup:
- match: {hits.max_score: 1}
- match: {hits.hits.0._score: 1}

---
"search with uppercase regex":
- do:
search:
rest_total_hits_as_int: true
index: test
body:
query:
query_string:
default_field: text
query: /UPPERCASE/

- match: {hits.total: 1}
- match: {hits.max_score: 1}
- match: {hits.hits.0._score: 1}

---
"search index prefixes with span_multi":
- do:
Expand Down
17 changes: 10 additions & 7 deletions server/src/main/java/org/opensearch/index/search/QueryStringQueryParser.java
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Original file line number Diff line number Diff line change
Expand Up @@ -56,7 +56,6 @@
import org.apache.lucene.search.SynonymQuery;
import org.apache.lucene.search.WildcardQuery;
import org.apache.lucene.util.BytesRef;
import org.apache.lucene.util.automaton.RegExp;
import org.opensearch.common.lucene.search.Queries;
import org.opensearch.common.regex.Regex;
import org.opensearch.common.unit.Fuzziness;
Expand Down Expand Up @@ -565,7 +564,7 @@ private Query getPrefixQuerySingle(String field, String termStr) throws ParseExc
if (currentFieldType == null || currentFieldType.getTextSearchInfo() == TextSearchInfo.NONE) {
return newUnmappedFieldQuery(field);
}
setAnalyzer(forceAnalyzer == null ? queryBuilder.context.getSearchAnalyzer(currentFieldType) : forceAnalyzer);
setAnalyzer(getSearchAnalyzer(currentFieldType));
Query query = null;
if (currentFieldType.getTextSearchInfo().isTokenized() == false) {
query = currentFieldType.prefixQuery(termStr, getMultiTermRewriteMethod(), context);
Expand Down Expand Up @@ -741,6 +740,13 @@ private Query getWildcardQuerySingle(String field, String termStr) throws ParseE
}
}

private Analyzer getSearchAnalyzer(MappedFieldType currentFieldType) {
if (forceAnalyzer == null) {
return queryBuilder.context.getSearchAnalyzer(currentFieldType);
}
return forceAnalyzer;
}

@Override
protected Query getRegexpQuery(String field, String termStr) throws ParseException {
final int maxAllowedRegexLength = context.getIndexSettings().getMaxRegexLength();
Expand Down Expand Up @@ -781,11 +787,8 @@ private Query getRegexpQuerySingle(String field, String termStr) throws ParseExc
if (currentFieldType == null) {
return newUnmappedFieldQuery(field);
}
if (forceAnalyzer != null) {
setAnalyzer(forceAnalyzer);
return super.getRegexpQuery(field, termStr);
}
return currentFieldType.regexpQuery(termStr, RegExp.ALL, 0, getDeterminizeWorkLimit(), getMultiTermRewriteMethod(), context);
setAnalyzer(getSearchAnalyzer(currentFieldType));
return super.getRegexpQuery(field, termStr);
} catch (RuntimeException e) {
if (lenient) {
return newLenientFieldQuery(field, e);
Expand Down